Home / 76,177.26-105,075.63-47,833.74

Finding the Fourth Proportional to 76,177.26, 105,075.63 and 47,833.74

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Solution

The fourth proportional to 76,177.26, 105,075.63 and 47,833.74 is: 65,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,177.26 : 105,075.63 = 47,833.74 : x
  2. Step 2: Convert to fraction form
    76,177.26/105,075.63 = 47,833.74/x
  3. Step 3: Cross multiply
    76,177.26x = 105,075.63 × 47,833.74
  4. Step 4: Simplify right side
    76,177.26x = 5,026,160,365.76
  5. Step 5: Solve for x
    x = 5,026,160,365.76/76,177.26
  6. Step 6: Final answer
    x = 65,979.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.